What is zinc chloride used for in skincare?

In skincare, zinc chloride is primarily used for its astringent properties, which help to reduce excess oil and temporarily tighten the appearance of pores. It can also contribute to a reduction in skin bacteria.

Is zinc chloride safe for sensitive skin?

Zinc chloride can be irritating, especially at higher concentrations. Individuals with sensitive skin should patch test products containing zinc chloride or choose formulations with lower concentrations to minimize potential irritation.

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Zinc Chloride

Zinc chloride is an inorganic salt of zinc and chlorine. In cosmetics, it primarily functions as an astringent, helping to tighten pores and reduce oiliness. It can also be used as an oral care agent for its antimicrobial properties.

Mineral saltVegan

BenefitModerate 1.5 / 4

Oil control i2 / 4

Whether it can reduce excess sebum, shine, or greasiness — absorbents, sebum-regulating ingredients, and some acne actives.

Acne i1.5 / 4

Whether it can help acne-prone skin — reducing clogged pores, excess oil, acne-causing bacteria, inflammation, or breakouts.

Texture i1 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

RiskLow 1 / 4

Irritation i1.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Barrier disruption i1 / 4

Whether it can weaken or damage the skin barrier — harsh surfactants, strong exfoliants, high alcohol content, or overuse-prone actives.

Eye irritation i1 / 4

Whether it may sting or irritate around the eyes. Relevant for sunscreens, fragrances, acids, surfactants, and volatile ingredients.

Systemic exposure i0.5 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Sensitization i0.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Reduces oiliness
Tightens pores
Antimicrobial properties

Things to watch

Potential for irritation at high concentrations
Can be drying

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Frequently asked questions

What is zinc chloride used for in skincare?: In skincare, zinc chloride is primarily used for its astringent properties, which help to reduce excess oil and temporarily tighten the appearance of pores. It can also contribute to a reduction in skin bacteria.
Is zinc chloride safe for sensitive skin?: Zinc chloride can be irritating, especially at higher concentrations. Individuals with sensitive skin should patch test products containing zinc chloride or choose formulations with lower concentrations to minimize potential irritation.